四苯硼钠返滴定法测定季铵盐研究

20097244()JournalofXianShiyouUniversity(NaturalScienceEdition)Jul.2009Vol.24No.4:2009203210:(:2008TG205):(19682),,,.E2mail:[e-mail]:16732064X(2009)04200622031,1,1,2(1.,710065;2.(),716000):.,NaOH,HG/T2230-2006.:,,99.5%.:;;;:TE39;O655:A,[127].,;;,,;HG/T2230-2006[8],()..,pH,.11.1:NaOH(33%)(DMDAAC).:.1.2,,.w=20(V1C1-V2C2)WM100%.:M;V1C1,mL,mol/L;V2C2,mL,mol/L;W,g;20.1.30.50001.0000g,100mL,.5mLV1mL0.1mol/L(K+)100mL,5mL0.2mL20%:NaOH50.1%,0.1mol/L(V2),.22.1DMDAAC(),HG/T2230-2006,1.1,HG/T2230-2006,,(f),296.3%99.5%;,..1f()/%f(DMDAAC)/%f()/%f()/%99.598.899.599.6HG/T22302200696.396.899.599.499.498.699.599.52.2DMDAAC,,2.2,,,0.100.11.NaOH,,[9212],,[627],..2f()/%f(DMDAAC)/%f()/%199.598.899.5299.598.899.5399.498.699.5499.798.799.6599.698.699.399.598.799.50.110.100.112.3,,3.3f()/%f()/%f()/%99.599.499.599.499.499.53,,,.2.4NaOH,0.1%,,NaOH(20%)4.4NaOHV(NaOH)/mL0.100.200.300.40/%101.699.699.599.44,NaOH0.10mL,100%;NaOH0.20mL,.,[13],NaOH36(),;0.20mL,[14215];0.20mL,,NaOH0.20mL.2.5,,5.5w()/%0.050.100.300.50f/%98.499.499.599.54,0.1%,,0.1%,.,0.1%.3(1),0.1.(2)NaOH0.20mL,.(3)0.1%,.:[1],,.[M].:,2006:388.[2].[J].,2005,27(9):5682570.[3],.[J].,2003,38(4):36238.[4],,,.[J].,2000,30(1):62.[5],,.[J].,2006,22(6):9213.[6].()[J].,1987(1):21223.[7].2[J].,1999,18(5):52254.[8].HG/T223022006[S].:,2005.[9],.[J].,2004,26(4):1952196,200.[10],,,.[J].,2007,29(2):82284[11],,,.[J].,2006,17(4):54255,59.[12],.[J].,2008,24(4):76278.[13].2[J].,1984(6):30231.[14],,.[M].2.:,2002:149.[15].[M].2.:,1986:499.:(53)(2),.,;,.,.(3).,,,.:[1].[M].:,1999:41255.[2],,.[J].,2004,28(6):49253.[3],,.[J].,2004,31(3):1072109.[4],.[J].,1999,14(3):9210.[5],.[J].,1999,14(4):46248.[6],.[J].,1998,3(3):35239.:46Keywords:microbialenhancedoilrecovery;biosurfactant;oversearesearchprogressCHENWen2xin,HURong,HEQi(No.1ProductionPlant,ChangqingOilfieldCompany,Yan’an716000,Shaanxi,China)JXSYU2009V.24N.4p.58261,68DeterminationofquaternaryammoniumusingbacktitrationanalysisofsodiumtetraphenylboronAbstract:Therapidquantitativeanalysisofquaternaryammoniumsaltisimportanttothedevelopmentandapplicationofthequa2ternaryammoniumsaltproducts.Themethodofdeterminingquaternaryammoniumusingbacktitrationanalysisofsodiumtetraphenylboronispresented,andthereappearanceandaccuracyofthedeterminationmethodandtheeffectofNaOHdosageontitrationend2pointarestudied.TheanalysisresultobtainedusingthismethodiscomparedwiththoseobtainedseparatelyusingweightmethodandHG/T223022006titrationmethod,itisshownthatthemethodproposedinthispaperhasbetterreappearance,anditsdeterminationaccuracycanreachto99.5%.Keywords:quaternaryammoniumsalt;sodiumtetraphenylboron;quantitativeanalysis;backtitrationanalysismethodLIYan1,XIEJuan1,QUCheng2tun1,WANGYong2wei2(1.KeyLaboratoryofShaanxiProvinceforEnvironmentalPollutionControlTechnologyandReservoirProtection,Xi’anShiyouUniversity,Xi’an710065,Shaanxi,China;2.ResearchInstitute,YanchangPetroleum(Group)Co.Ltd.,Yan’an716000,Shaanxi,China)JXSYU2009V.24N.4p.62264Laboratorystudyofanewbio2gelprofilecontrolagentAbstract:Anewgelprofilecontrolagentisdevelopedbytheoptimizationofcomponentsforhighpermeabilityorhighwater2cutreservoirs,inwhichkonjakupowderisusedasmainagent.Thepropertyofitismeasured.Itisshownthatwhenthetemperatureofthegelsystemis80,thepHis712andthesalinityislessthan105mg/L,gelformingtimecanbecontrolledin228h,andgelformingviscosityisin5.020.0Pas.Thecorepluggingrateofthebio2gelprofilecontrolagentcanreachtoabove99%,break2throughpressuregradientisabove26MPam-1andtheresidualresistancecoefficientismorethan200.Sothenewbio2gelprofilecontrolagentcanmeettheneedsofthewaterpluggingofoilwellsandtheprofilecontrolofwaterinjectionwellsinhighwater2cutstage.Keywords:profilecontrolagent;gel;konjacglucomannan;organicboratecross2linkerMENGZu2chao,WANGXiao2quan,CHENGuang(KeyLaboratoryofAppliedChemistry,CollegeofChemistryandChemicalEngi2neering,Xi’anShiyouUniversity,Xi’an710065,Shaanxi,China)JXSYU2009V.24N.4p.65268ScreeningofthestrainsformicrobialflocculantandexperimentalstudyontheirflocculationperformanceAbstract:Threestrainsfortheflocculationofkaolinclaysuspensionareseparatedfromactivatedsludge.TheinitialpHofculturemediaandtheculturetimeareoptimizedandtheflocculationeffectsofthreestrainsonoilfieldproducedwastewaterarestudied,andtheresultsshowthatwhentheinitialpHofculturemediais6.07.0andtheculturetimeis1224h,thethreestrainshaveoptimalfloc2culatingeffectonthekaolinclaysuspension,andthemaximumflocculationratecanreachto91.5%.Thethreestrainshavecertainflocculationeffectsonoilfieldproducedwastewater,andtheflocculationrateisin30%40%,andtheremovalrateofthemtoCODCrcanreachtoabout40%.Keywords:microbialflocculant;strain;screening;flocculatingactivityQINFang2ling1,2(1.CollegeofChemistry&ChemicalEngineering,Xi’anShiyouUniversity,Xi’an710065,Shaanxi,China;2.KeyLabofShaanxiProvinceforOil2GasFieldEnvironmentalPollutionandFormationDamageControl,Xi’anShiyouUniversity,Xi’an710065,Shaanxi,China)JXSYU2009V.24N.4p.69271,78SchemedesignandperformanceanalysisofanewchaindrivepumpingunitAbstract:Theexistingchaindrivepumpingunithasshortcomi